Paying 1-grid with your card means one less thing to remember and you have control over your payments by managing your preferred card via the customer zone.
Follow these steps to switch to credit card:
Step 1. Log in to your Customer Zone.
Step 2. Hover over “Account Information” and then click on “Edit Account Details”:
Step 3. Select the “Secure Credit Card” payment method on the drop-down menu
Step 4. Scroll to the bottom of the page and then click “Save changes”.